Partners Glass Clubs 20-30-40 Glass Society of IllinoisEarly American Pattern Glass SocietyFenton Art Glass Collectors of AmericaFostoria Glass Society of America and MuseumH.C. Fry Glass SocietyHeisey Collectors of TexasHistorical Glass Club of PittsburghIndiana Glass SocietyLincoln Land Depression Era Glass & Pottery ClubMichiana Association of Candlewick Collectors (MACC)National American Glass Club, Ltd.National Cambridge Collectors Inc.National Depression Glass AssociationNational Fenton Glass SocietyNational Milk Glass Collectors SocietyOld Morgantown Glass Collectors’ GuildPhoenix and Consolidated Glass Collectors’ ClubSouth Florida Depression Glass ClubStretch Glass SocietyThree Rivers Depression Era Glass SocietyTiffin Glass Collectors ClubVaseline Glass Collectors, IncWestmoreland Glass Club Glass museums Corning Museum of GlassMuseum of American Glass in West VirginiaNational Duncan Glass MuseumNational Heisey Glass MuseumThe National Museum of Cambridge GlassThe New Bedford Museum of GlassOhio Glass MuseumTiffin Glass MuseumWheatonArts Museum of American Glass Others Belmont County Belmont County MuseumsCarnival Glass WorldwideDavid Doty’s Carnival GlassGlass Lovers Glass DatabaseImperial Art GlassJoe MarblesMuseums of Oglebay InstituteShetlar’s Stretch Glass Site